Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 371601: Use the intercepts to graph the line described by each equation. y = 5x + 10
Click here to see answer by Alan3354(69443)

Question 371601: Use the intercepts to graph the line described by each equation. y = 5x + 10
Click here to see answer by rfer(16322)

Question 371597: solve the inequality: 3|x| is
Click here to see answer by Alan3354(69443)

Question 371618: How would i solve this? I know i need to use the table type of graph after splitting up the factoring . Please help!
2x^2= 3x-2
Click here to see answer by mananth(16946)

Question 371607: My homework question states: Write the equation of the linear function whose graph contains the point (-2,4) and is perpendicular to the line whose equation is 2x+y=10.
How do I solve this?
Click here to see answer by checkley77(12844)

Question 371741: will you please help me solve this problem? y-2= (x-3)
Click here to see answer by robertb(5830)

Question 371785: says to find the vertex?? everything i keep getting is incorrect. :(
f(x)=-x+4x-3
Click here to see answer by Fombitz(32388)

Question 371864: Write an equation in point-slope form for the line that has slope 1/3 and passes through (-2,8). Thanks for your help. Ian
Click here to see answer by rfadrogane(214)

Question 371859: Write an equation in standard form of the line that passes through (7,-3) and has a y-intercept of 2. Thanks for your help. Ian
Click here to see answer by Fombitz(32388)

Question 371918: I am graphing parabolas.
f(x)=-x^2+4x-3
I know that the vertex is (2,1) and that the parabola opens downward.
How do I determine the x intercepts and y intercepts. Everything I keep getting seems to be incorrect.
Click here to see answer by Fombitz(32388)

Question 371932: I need help finding the vertex, I think I am having trouble because it's a fraction
f(x)=-16x^2+8x+3

Click here to see answer by Fombitz(32388)

Question 371861: Writ a linear in slope-intercept form to model the situation: A telephone charges $28.75 per month plus $0.10 a minute for long distance calls. Thanks for your help---Ian
Click here to see answer by Fombitz(32388)

Question 371863: Write the standard form of the equation y+4=-12/7(x-1). Thanks for your help Ian.
Click here to see answer by Fombitz(32388)

Question 371956: f(x)=-16x^2+8x+3
The vertex is (1/4,4) and it opens downward.
I need help determing the x and y intercepts. I have graphed it using the graphing solver but every answer I come up with it wrong.
Click here to see answer by Fombitz(32388)

Question 372182: The instructions are decide whether the graphs of the two equations are parallel lines. How do i figure this out without graphing?
Ex: y = 2x - 1, y = -2x + 1
Click here to see answer by Alan3354(69443)

Question 372215: HOW DO YOU GRAPH (X^2)/(X+1)? AND WHAT ARE THE POINTS?
Click here to see answer by stanbon(75887)

Question 372233: why is the line x-4 a vertical line
Click here to see answer by solver91311(24713)

Question 372233: why is the line x-4 a vertical line
Click here to see answer by Alan3354(69443)

Question 372268: so, i have question...we are learning about different types of graphs, mean, median, mode, range, interquartile range, upper quartile range, lower quartile range, and out liers. on of the questions is, DATA THAT IS MORE THAN 1, 5 TIMES THE INTERQUARTILE RANGE FROM THE QUARTILE. if you could help me with this vocabulary word it is one of the last ones and i cant find it. I already did 11 out of 14 and i would be so great full if you could help me. thank you so much, Ashley
Click here to see answer by solver91311(24713)

Question 372302: "What is the slope binomils y-2x=-4 and y-3=-1/2x"

Click here to see answer by mananth(16946)

Question 372388: I need help answering, state the domain and range of the function y= sin 3x.
Please and Thank you.
Click here to see answer by Fombitz(32388)

Question 372537: how do I graph the function [2x]
Click here to see answer by Fombitz(32388)

Question 372527: How do I graph the following inequality?
-4x + 2y the greater than or equal to sign goes here, then the number 6.
Click here to see answer by Fombitz(32388)

Question 372642: Which compound sentence is the equivalent of |x - 5| = 4
Click here to see answer by Fombitz(32388)

Question 372640: WHat is the graph for this equation?

f(x)= x^2+6x+8
I'm not sure if the quadratic equation is used for this or factoring?. i used h=-b/2a to get h,k = (-3,-1) but i'm not sure if that is what i am supposed to do. The graph is supposed to be a parabola i believe. I need to find the points for it. Please help!
Click here to see answer by Fombitz(32388)

Question 372674: Suppose that the function g is defined, for all real numbers, as follows.
g(x)=
-2 if x is less than or equal to -3
x+1 if -3< x is less than or equal to 3
4 if x>3
Graph the function g.
Click here to see answer by Fombitz(32388)

Question 372694: -x-y=1/2
solve for x by substituting 0 for y
solve for y by substituting 0 for x
Click here to see answer by Alan3354(69443)

Question 372694: -x-y=1/2
solve for x by substituting 0 for y
solve for y by substituting 0 for x
Click here to see answer by Fombitz(32388)

Question 372725: What are the intercepts for the equation: y=x^2-4x+4
Click here to see answer by Fombitz(32388)

Question 372725: What are the intercepts for the equation: y=x^2-4x+4
Click here to see answer by checkley79(3341)

Question 372725: What are the intercepts for the equation: y=x^2-4x+4
Click here to see answer by ewatrrr(24785)

Question 372659: what is the change of rate mean and how do i solve for the answer on a table.

Click here to see answer by Fombitz(32388)

Question 372779: how do u find a line that passes through (-3,2) and (-2,-6)

Click here to see answer by solver91311(24713)

Question 372801: what is the slope for y=5x+2
Click here to see answer by kac123kac(8)

Question 372831: how to work out this problem

7-7(x-7)>-4+5x
Click here to see answer by rfer(16322)

Question 372852: through:(-1,4), slope=-4
Click here to see answer by rfer(16322)

Question 373048: i need help wit this problem i believe its Elimination Method
-16x+6y=20
8x-5y=-22
Click here to see answer by Jk22(389)

Question 373190: Graph each inequality. then show if it needs to be solid or dotted line and where to shade it.
5x+10y>0
Click here to see answer by Fombitz(32388)

Question 373268: I need to solve this linear equation:
2/3x-1/4y=11/-3
1/3x+3/5y=16/15
The solution is (-4,4). I just don't know the steps to solving it.
Can you please help me with the steps?
Click here to see answer by unlockmath(1688)

Question 373198: You are planning to spend no less than $6,000 and no more than $10,000 on
your landscaping project.
a. Write an inequality that demonstrates how much money you will are willing to
spend on the project.

Click here to see answer by rfer(16322)

Question 373303: Why is the line x=4 a vertical line
Click here to see answer by rfer(16322)

Question 373412: My daughter's algebra book (Glencoe's Algebra 1 page 242) provides one example of this that is totally unlike this problem. Sets of numbered pairs are listed and they are shown plotted as a line on a graph. She is asked to write an equation in function notation for the relation graphed - in this case (4,0),
(2,3)and (0,6). What are the steps to solve this problem?
Thanks very much!
Click here to see answer by ankor@dixie-net.com(22740)

Question 373573: You are planning to spend no less than $6,000 and no more than $10,000 on
your landscaping project
You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy with a budget of $2,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer.

Click here to see answer by mananth(16946)

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